linux-kernel - Re: [PATCH] isdn divas: fix proc creation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 6 Jun 2008 08:44:08 +0200 (CEST)
From:	Armin Schindler <armin@...ware.de>
To:	Alexey Dobriyan <adobriyan@...il.com>
cc:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] isdn divas: fix proc creation

On Fri, 6 Jun 2008, Alexey Dobriyan wrote:
> On Thu, Jun 05, 2008 at 12:25:06PM +0200, Armin Schindler wrote:
>> On Sat, 31 May 2008, Alexey Dobriyan wrote:
>>> 1. creating proc entry and not saving pointer to PDE and checking it
>>>   is not going to work.
>>
>> I don't know where you found this. I have look even in older versions, but
>> the pointer divas_proc_entry is set by proc_create(). The patch to
>> divasproc.c is wrong, it exists from the beginning of the driver.
>> (2.6.25.4 doesn't contain the bug you describe).
>
> Check mainline kernel, namely, 2.6.26-rc5.

Ah, okay. So someone removed the pointer between 2.6.25 and 2.6.26 then.
In that case your patch is correct of course.

Armin

>>> --- a/drivers/isdn/hardware/eicon/divasproc.c
>>> +++ b/drivers/isdn/hardware/eicon/divasproc.c
>>> @@ -125,8 +125,8 @@ static const struct file_operations divas_fops = {
>>>
>>> int create_divas_proc(void)
>>> {
>>> -	proc_create(divas_proc_name, S_IFREG | S_IRUGO, proc_net_eicon,
>>> -		    &divas_fops);
>>> +	divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
>>> +					proc_net_eicon, &divas_fops);
>>> 	if (!divas_proc_entry)
>>> 		return (0);
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/